Home / 702,716,810.69-1,047,792,742.14-683,410,104.51

Finding the Fourth Proportional to 702,716,810.69, 1,047,792,742.14 and 683,410,104.51

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Solution

The fourth proportional to 702,716,810.69, 1,047,792,742.14 and 683,410,104.51 is: 1,019,005,289.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    702,716,810.69 : 1,047,792,742.14 = 683,410,104.51 : x
  2. Step 2: Convert to fraction form
    702,716,810.69/1,047,792,742.14 = 683,410,104.51/x
  3. Step 3: Cross multiply
    702,716,810.69x = 1,047,792,742.14 × 683,410,104.51
  4. Step 4: Simplify right side
    702,716,810.69x = 716,072,147,410,716,800
  5. Step 5: Solve for x
    x = 716,072,147,410,716,800/702,716,810.69
  6. Step 6: Final answer
    x = 1,019,005,289.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.